Phophong, P. ., R. . Choavaratana, S. . Suppinyopong, P. . Loakirkkiat, and C. . Karavakul. “Comparison of Human Menopausal Gonadotrophin and Recombinant Follicle-Stimulating Hormone in In-Vitro Fertilisation and Pregnancy Outcome”. Siriraj Medical Journal, vol. 53, no. 11, Aug. 2020, pp. 805-10, https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245341.